Creating Sub-domains

Mark_Andrews at isc.org Mark_Andrews at isc.org
Wed Sep 10 00:45:33 UTC 2003


> Barry Margolin <barry.margolin at level3.com> wrote in
> news:bjis9h$acj$1 at sf1.isc.org: 
> 
> > In article <bjiq33$891$1 at sf1.isc.org>,
> > Octavio Novoa  <ONOVOA at diveo.net.pe> wrote:
> >>Hi, I know this is a silly question, but I have no clue about how to
> >>create a sub-domain in my Bind DNS. Can some of you tell me where can
> >>I get some documentation on that?
> > 
> > If you mean a subzone, you create it just like any other zone.  The
> > only thing special is that the parent zone should contain NS records
> > for the subdomain, listing the nameservers for the subdomain.
> > 
> Could you possibly point me to a valid example of how this is done? I can't 
> make it work so that the box running BIND for the master domain can resolve 
> the subdomain (which lives elsewhere) correctly. Or anything through the 
> master domain server.


	Parent zone:

	sub.example.net. NS ns1.example.com.	  ; glue not required
						  ; not below parent.
	sub.example.net. NS ns1.sub.example.net.  ; glue required (supply)
						  ; below child.
	sub.example.net. NS ns1.sub2.example.neta ; glue may be required (supply)
						  ; below parent.

	ns1.sub.example.net. A 1.1.1.2		; glue address record
	ns1.sub.example.net. AAAA 2002::1.1.1.2	; glue address record
	ns1.sub2.example.net. A 1.1.1.1		; glue address record
	
	Child zone:
	sub.example.net. SOA ...
	sub.example.net. NS ns1.example.com.
	sub.example.net. NS ns1.example.net.
	sub.example.net. NS ns1.sub.example.net.
	ns1.sub.example.net. A 1.1.1.2
	ns1.sub.example.net. AAAA 2002::1.1.1.2

	
	Note if the parent server is using global forwarding you may
	want to override it.

	options {
		...
		forwarders { .... };
	};
		
	zone "example.net" {
		...
		forwarders { /* empty */ };  // turn off forwarding for sub zones.
	};
	
	Mark
> 
> -- 
> Larry Flynt for Governor
> Bringing dignity back to the Governor's Mansion
> 
> Terry Austin
> taustin at hyperbooks.com
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org


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